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arxiv: 0811.1764 · v4 · submitted 2008-11-11 · 🧮 math.OA

The representation category of any compact group is the bimodule category of a II₁ factor

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keywords categoryfactorbimodulecompactgrouprepresentationactiondescribed
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We prove that given any compact group G, there exists a minimal action of G on a II_1 factor M such that the bimodule category of the fixed-point II_1 factor M^G is naturally equivalent with the representation category of G. In particular, all subfactors of M^G with finite Jones index can be described explicitly.

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